Home / 137,447,292.60-189,681,005.34-74,727,610.70

Finding the Fourth Proportional to 137,447,292.60, 189,681,005.34 and 74,727,610.70

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Solution

The fourth proportional to 137,447,292.60, 189,681,005.34 and 74,727,610.70 is: 103,126,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,447,292.60 : 189,681,005.34 = 74,727,610.70 : x
  2. Step 2: Convert to fraction form
    137,447,292.60/189,681,005.34 = 74,727,610.70/x
  3. Step 3: Cross multiply
    137,447,292.60x = 189,681,005.34 × 74,727,610.70
  4. Step 4: Simplify right side
    137,447,292.60x = 14,174,408,323,283,736
  5. Step 5: Solve for x
    x = 14,174,408,323,283,736/137,447,292.60
  6. Step 6: Final answer
    x = 103,126,136.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.